1. It takes a very buoyant personality to cope with constant rejection. 接受一再遭拒的结果需要非常乐天的性格。
2. The report says "swinging cuts" in recruitment, after years of a buoyant jobs market, make it one of the worst years to graduate for two decades. 这个报告说，在经济活跃的几年后，大量的减少新的雇员计划是历史上二十年来对于毕业生来说的最坏的一年。
3. The fear is that melting ice, along with increased snow and rain, could reduce the density and salinity of the top layers of the sea, making them more buoyant. 人们担忧的是正在融化的冰和不断增加的雨雪可能降低海洋表层水体的密度和盐度，导致其更容易滞留在海洋表层。
英英解释
adj.
1. tending to float on a liquid or rise in air or gas
2. characterized by liveliness and lightheartedness
